8 807 723 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
23622313087	11	34.5	old
55876194713	11	35.7	2008-09-08 04:39:41
209289113927	12	37.6	2008-09-08 04:39:41

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-02-01	Chang Chia-Tche	6BC18C3925C4D712	3	3627174	5	3
Verified	2020-09-10	pew	6BC18C3925C4D712	3	2688807	5	3

History

Date	User	Type	Result
2024-09-11	Stef42	NF-PM1	B1=1750000, B2=2288031900
2020-09-10	pew	C-PRP	M8807723/23622313087/55876194713/209289113927 : 6BC18C3925C4D712 PRP: Verified PRP without proof (not generated)
2019-02-01	Chang Chia-Tche	C-PRP	M8807723/23622313087/55876194713/209289113927 : 6BC18C3925C4D712 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 209289113927
2008-09-08	Will Edgington	F	Factor: 55876194713